Showing 157–208 of 612 results

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Measuring Tool & Sensor Accessories

HM Digital pH storage solution 20 pack HM Digital

Original price was: $ 49,99.Current price is: $ 29,99.
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pH Meters

HM Digital PH-200 Waterproof Portable Water Quality Tester HM Digital

Original price was: $ 74,99.Current price is: $ 37,49.
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pH Meters

HM Digital PH-80 pH Meter Waterproof PH80 Tester HydroTester HM Digital

Original price was: $ 36,99.Current price is: $ 22,19.
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Measuring Tool & Sensor Accessories

HM Digital PH-STOR pH Electrode Storage Solution 60cc HM Digital

Original price was: $ 15,99.Current price is: $ 9,59.
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Flow Meters & Controllers

HM Digital PM-1 OEM In-Line TDS Purity Monitor HM Digital

Original price was: $ 49,99.Current price is: $ 29,99.
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Measuring Tools & Sensors

HM digital PM-2 External In-Line TDS Purity Monitor HM Digital

Original price was: $ 62,99.Current price is: $ 31,50.
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Measuring Tools & Sensors

HM Digital QC-1 Quick Check TDS/Conductivity Monitor HM Digital

Original price was: $ 24,99.Current price is: $ 14,99.
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Flow Meters & Controllers

HM Digital QC-1 Quick Check TDS/Conductivity Push-To-Test Monitor with Set Points, +/- 3% Accuracy HM Digital

Original price was: $ 24,99.Current price is: $ 14,99.
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Probes & Finders

HM Digital Replacement pH/Temp sensor for PH-200/COM-360 HM Digital

Original price was: $ 49,99.Current price is: $ 29,99.
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Probes & Finders

HM Digital Replacement TDS/EC sensor for COM-100 HM Digital

Original price was: $ 39,99.Current price is: $ 23,99.
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Flow Meters & Controllers

HM Digital Single Line, EC/TDS Mini Controller PSC-50 HM Digital

Original price was: $ 129,99.Current price is: $ 52,00.
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Measuring Tools & Sensors

HM Digital SM-1 In-Line Single TDS Monitor HM Digital

Original price was: $ 36,99.Current price is: $ 22,19.
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Flow Meters & Controllers

HM Digital SM-1 In-Line Single TDS Monitor, 0-9990 ppm Range, +/- 2% Readout HM Digital

Original price was: $ 29,99.Current price is: $ 17,99.
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Flow Meters & Controllers

HM Digital SM-1 In-Line TDS Monitor for Single Water Line HM Digital

Original price was: $ 39,99.Current price is: $ 23,99.
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Probes & Finders

HM Digital TDS Tester HM Digital

Original price was: $ 20,99.Current price is: $ 12,59.
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Measuring Tools & Sensors

HM Digital TDS-3 Handheld TDS Meter With Carrying Case HM Digital

Original price was: $ 28,99.Current price is: $ 17,39.
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Measuring Tools & Sensors

HM Digital TDS-3 TDS Handheld meter Tester + NaCl 342ppm calibration solution HM Digital

Original price was: $ 36,99.Current price is: $ 22,19.
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Measuring Tools & Sensors

HM Digital TDS-4 Pocket-Size TDS Meter HM Digital

Original price was: $ 24,99.Current price is: $ 14,99.
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Measuring Tools & Sensors

HM Digital TDS-4TMA Aquarium TDS Meter with Digital Thermometer HM Digital

Original price was: $ 24,99.Current price is: $ 14,99.
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Measuring Tools & Sensors

HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 ppm Measurement Range , 1 ppm HM Digital

Original price was: $ 19,99.Current price is: $ 11,99.
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Measuring Tools & Sensors

HM Digital TDS-EZ Water Quality Tester HM Digital

Original price was: $ 19,99.Current price is: $ 11,99.
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Household Thermometers

HM Digital TM-1 Industrial-Grade Digital Thermometer HM Digital

Original price was: $ 29,99.Current price is: $ 17,99.
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Flow Meters & Controllers

HM Digital TRM-1 TDS Meter Triple Inline TDS Monitor Test TDS Levels HM Digital

Original price was: $ 45,99.Current price is: $ 27,59.
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Flow Meters & Controllers

HM Digital TRM-1 Triple Inline TDS Monitor HM Digital

Original price was: $ 42,99.Current price is: $ 25,79.
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pH Meters

HM Digital Waterproof Professional Series pH/EC/TDS/Temp Meter : COM-360 HM Digital

Original price was: $ 159,99.Current price is: $ 64,00.
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Measuring Tools & Sensors

HM Digital ZT-2 Basic TDS Tester HM Digital

Original price was: $ 19,99.Current price is: $ 11,99.
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pH Meters

HM-200 Portable pH/EC/TDS/Temp Monitor HM Digital

Original price was: $ 204,99.Current price is: $ 82,00.
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Probes & Finders

HM-200 TDS/EC Replacement Probe – SP-C2 HM Digital

Original price was: $ 49,99.Current price is: $ 29,99.
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Cutter Accessories

Hydrofarm Lightweight Bypass Pruner Hydrofarm

Original price was: $ 14,99.Current price is: $ 8,99.
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Watering Cans

Hydrofarm Pressure Sprayer, 40 oz Hydrofarm

Original price was: $ 24,99.Current price is: $ 14,99.
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Pipe Connectors

Hydrologic Inline Shut Off Valve, 3/8″ QC x 3/8″ QC Hydrologic

Original price was: $ 12,99.Current price is: $ 7,79.
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Plumbing Pipes

Hydrologic Polyethylene Tubing, 50′, Black, 1/4″ Hydrologic

Original price was: $ 26,99.Current price is: $ 16,19.
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Plumbing Pipes

Hydrologic Polyethylene Tubing, 50′, Black, 3/8″ Hydrologic

Original price was: $ 28,99.Current price is: $ 17,39.
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Plumbing Pipes

Hydrologic Polyethylene Tubing, 50′, Blue, 1/4″ Hydrologic

Original price was: $ 28,99.Current price is: $ 17,39.
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Plumbing Pipes

Hydrologic Polyethylene Tubing, Blue, 3/8″ 50 feet Hydrologic

Original price was: $ 25,99.Current price is: $ 15,59.
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Pipe Connectors

John Guest Speedfit 1/4″ Union Tee HM Digital

Original price was: $ 9,99.Current price is: $ 5,99.
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Pipe Connectors

John Guest Union Tee Quick Connect Fitting; Polypropylene; White – 1/4 HM Digital

Original price was: $ 10,99.Current price is: $ 6,59.
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Electronic Card Readers

Manhattan – Strategic 102049 USB Smart Card Reader Get Ultimate Now

Original price was: $ 22,99.Current price is: $ 13,79.
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Electric Knives

Maximatic Elite electric Knife Elite

Original price was: $ 24,99.Current price is: $ 14,99.
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pH Meters

Milwaukee AG900 pH/EC/TDS Combo Meter Kit Milwaukee Instruments

Original price was: $ 268,00.Current price is: $ 107,20.
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Measuring Tools & Sensors

Milwaukee BEM500 PRO ORP Meter Milwaukee Instruments

Original price was: $ 141,00.Current price is: $ 56,40.
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Aquarium Temperature Controllers

Milwaukee C65 Low Range Waterproof Conductivity Pen with ATC and Replaceable Electrode Milwaukee Instruments

Original price was: $ 38,00.Current price is: $ 22,80.
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Probes & Finders

Milwaukee C66 Waterproof Conductivity Tester with replaceable electrode Milwaukee Instruments

Original price was: $ 38,00.Current price is: $ 22,80.
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Measuring Tools & Sensors

Milwaukee CD600 Digital Total Dissolved Solids Pen (TDS) Milwaukee Instruments

Original price was: $ 27,00.Current price is: $ 16,20.
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Measuring Tools & Sensors

Milwaukee CD601 Digital Conductivity Pen (EC) Milwaukee Instruments

Original price was: $ 27,00.Current price is: $ 16,20.
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TDS Meter

Milwaukee CD610 Digital High Range TDS Pen Milwaukee Instruments

Original price was: $ 27,00.Current price is: $ 16,20.
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Digital Conductivity Pen

Milwaukee CD611 Digital Conductivity Pen (EC) Milwaukee Instruments

Original price was: $ 27,00.Current price is: $ 16,20.
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Calibration Buffer Solution

Milwaukee COMBO-START Solution Starter Kit for MW801 and MW802 Milwaukee Instruments

Original price was: $ 44,20.Current price is: $ 26,52.
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Measuring Tools & Sensors

Milwaukee Digital Brix Refractometer MA871 Milwaukee Instruments

Original price was: $ 186,00.Current price is: $ 74,40.
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Measuring Tools & Sensors

Milwaukee EC40 EC/TDS Nutrient Meter Milwaukee Instruments

Original price was: $ 100,00.Current price is: $ 50,00.
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Measuring Tools & Sensors

Milwaukee EC59 PRO Waterproof 3-in-1 Conductivity / TDS & Temperature Tester with Replaceable Probe Milwaukee Instruments

Original price was: $ 61,00.Current price is: $ 30,50.
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Measuring Tools & Sensors

Milwaukee EC60 PRO Waterproof 3-in-1 EC / TDS/Temp Tester with Replaceable Probe Milwaukee Instruments

Original price was: $ 61,00.Current price is: $ 30,50.